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  3. NU20 Classic vs Seek 420

Nitecore NU20 Classic vs Silva Seek 420

What NU20 Classic does better (1) and where Seek 420 wins (3) — every spec side by side.

Nitecore NU20 Classic
Nitecore · 2024NU20 Classic
5.9Score
1 advantage≈ $25
vs
Silva Seek 420
Silva · 2025Seek 420
7.5Score
3 advantages≈ $30
Higher score
3.8Brightness & throw4.7
6.2Battery & charging7.8
6.8Build & durability8.2
5.9Features5.9

Why is NU20 Classic better than Seek 420?

  1. Weight38 g vs 92 g2.4×

Why is Seek 420 better than NU20 Classic?

  1. Maximum output360 lm vs 420 lm+17%
  2. Water protection (IPx)IPx6 vs IPx8+33%
  3. Maximum runtime97 h vs 110 h+13%
Specifications

Side by side

Silva Seek 420Silva Seek 420≈ $307.5
Light output
Maximum output360 lm420 lm
Light sourceLEDLED
LED & beam
Number of LEDs—3
Battery & charging
Battery—AAA
Maximum runtime97 h110 h
RechargeableYesYes
USB-C chargingYes—
Battery level indicatorYes—
Build & durability
Protection ratingIP66—
Water protection (IPx)IPx6IPx8
Submersible to—2 m
Body material—Plastic / polymer
Size & weight
Weight38 g92 g
Modes & features
SOS / beaconYes—
Red lightYesYes
LockoutYes—
Colours—Blue
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